The following table shows the number of heart beats for 4 animals. For example, the pig's heart beats 225 times in 3 minutes Which animal's heart beats at a rate of 65 beats per minute?

Question

Animal
Pig
Horse
Cow
Dog

Heartbeats
225
180
520
540

Minutes
3
4
8
6

Answer 1

To find the animal whose heart beats at a rate of 65 beats per minute, we can calculate the number of heartbeats for each animal and check which one matches the desired rate.

For the pig:
Heartbeats per minute = 225 beats / 3 minutes = 75 beats per minute

For the horse:
Heartbeats per minute = 180 beats / 4 minutes = 45 beats per minute

For the cow:
Heartbeats per minute = 520 beats / 8 minutes = 65 beats per minute

For the dog:
Heartbeats per minute = 540 beats / 6 minutes = 90 beats per minute

From the calculations, we can see that the cow's heart beats at a rate of 65 beats per minute.